Home Inspectors perform roofing inspections during a home inspection. One type of roofing material that is often inspected is the asphalt shingle (aka composition roof). In this home inspection video blog I walk you through the basics of an asphalt shingle roof inspection I conducted in Petaluma Ca. A home inspector will often give a range of expected service life and this case roof is at the end of its … Continue Reading

The black growth covering roofs is a fungus. This fungus, because it lacks chlorophyll, is unable to manufacture food from raw materials as other plants do. It must therefore get nutrition from some form of organic matter. When fungus receives its nutrition from dead organic matter, it is called a saprophyte. This particular fungus also requires a warm humid environment to thrive in. Now that we know what this growth … Continue Reading